4results about How to "Reduce pool capacity" patented technology

An equipment room is arranged on the lower portion of a main tank body, a solid-liquid separation tank, a water distribution ring and a denitrification reaction ring are sequentially arranged on the upper portion of the main tank body from inside to outside, and the denitrification reaction ring comprises a first denitrification tank, a second denitrification tank, a first dosing tank and a second dosing tank which are sequentially communicated. A water inlet pipe is arranged at the input end of the first denitrification tank, the second dosing tank is communicated with the water distribution ring, a sludge settling zone, a water distribution zone, an inclined tube filler layer and a clear water zone are sequentially formed in the solid-liquid separation tank from bottom to top, the water distribution zone is communicated with the water distribution ring, the clear water zone is provided with a drain pipe assembly, and a sludge hopper is arranged on the lower side of the sludge settling zone. A sludge discharge pump and a sludge reflux pump are arranged in the equipment room, and the sludge discharge pump and the sludge reflux pump are respectively communicated with the sludge bucket through corresponding pipelines. The device disclosed by the utility model is more compact in overall structure, so that the occupied area of equipment is reduced, the use of a carbon source is reduced, the reaction time is shortened, and the sludge yield is reduced.

The utility model relates to the technical field of wastewater treatment, in particular to a low-carbon biological treatment system which comprises a pretreatment module, a decarbonization module and a biological denitrification module, the pretreatment module comprises an adjusting tank and a pretreatment section, the adjusting tank is used for homogenizing and homogenizing wastewater entering the adjusting tank, and the pretreatment section is used for removing toxic and harmful pollutants which cannot be biologically degraded; the decarburization module comprises an aeration tank and a sedimentation tank and is used for removing organic matters in the wastewater. An MABR reaction zone and an anaerobic ammonia oxidation reaction zone are integrated into an up-flow reactor, an MABR reaction layer and an anaerobic ammonia oxidation reaction layer are formed in the reactor, multifunctional pollutant removal can be achieved, meanwhile, a pipeline for sludge dredging and discharging is arranged, it is guaranteed that the two processes can complement each other, partition reaction can be achieved, and the effect that the two processes can be recycled is achieved. And the function is not influenced by integrated design.

The utility model discloses an efficient sludge thickening tank system. The efficient sludge thickening tank system comprises a sludge thickening unit, a chemical adding unit and a sludge discharging unit, the sludge thickening unit comprises a sludge inlet pipe and a thickening tank, the interior of the thickening tank is sequentially composed of a clear water area, a settling area, a thickening area and a sludge hopper area from top to bottom, and one side of the clear water area is connected with the sludge inlet pipe; the dosing unit is arranged on the sludge inlet pipe, and the sludge discharge unit is connected with the sludge bucket area through a sludge discharge pipe. Through a PLC automatic control system, continuous sludge feeding, concentration, water drainage and sludge discharge can be automatically realized, and field operation by a specially-assigned person is not needed.

The present invention discloses an integrated biological denitrification device, including a treatment box divided into independent primary and secondary treatment areas and an equipment area, the primary treatment area is divided into a primary A pool and an O pool by a movable adjustment plate, a water distribution device and an aeration pipe corresponding to the primary A pool and the O pool are slidably connected to the treatment box, and a water inlet pipe connected to the water distribution device is provided, the secondary treatment area is divided into a secondary A pool and an MBR membrane pool connected at the bottom, the MBR membrane pool is connected with a sludge return pipe inclined downward and connected to the water inlet pipe at the bottom, a suction pump connected to the water outlet of the MBR membrane, an aeration fan connected to the aeration pipe and a delivery pump are provided in the equipment area, the inlet end of the delivery pump is connected to the O pool, and its outlet end is divided into two ways and respectively connected to the water inlet pipe and the secondary A pool. The present invention solves the technical problem of how to effectively reduce the energy consumption and operation and maintenance costs of the treatment equipment while meeting the treatment standard of high-nitrogen wastewater, and enhancing the adaptability to water quality changes.